More than 200 million Americans are bracing for a historic Arctic outbreak as a displaced polar vortex sends frigid air ...

The Arctic polar vortex is expected to move south, which some say will lead to the coldest, harshest winter in years. Wyoming ...

Dr. Amy Butler with the National Oceanic and Atmospheric Administration says the early polar vortex disruption is unusual and ...

A polar vortex will bring arctic air and subzero temperatures to parts of the U.S. through the middle of the month, according ...

Polar vortex will hit the U.S. with three waves of snow, extreme cold and storms. Will Mississippi weather feel the chill?

The culprit behind the country’s somewhat wacky weather, or at least part of it, is the (aforementioned) probable sudden stratospheric warming event (SSW) disrupting the stratosphere’s polar vortex ...

Melting polar ice is unleashing stronger, faster currents, reshaping heat flow, nutrient pathways, and microplastic movement ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. For polar bears, the climate change diet is ...

Learn why polar bears have white fur and other cool facts, plus WWF’s efforts to protect them and their Arctic habitat from climate change.

It's no secret that polar bears in the Arctic are suffering as a result of changing conditions due to climate change, but a new study has discovered they are hurting in more ways than previously ...

FILE - This March 25, 2009, file photo provided by the U.S. Geological Survey shows a polar bear in the Beaufort Sea region of Alaska. On Dec. 28, 1973, President Richard Nixon signed the Endangered ...